> I think you should consider changing "library" to "documentation" - for whatever reason I also struggled to discover "library" actually meant docs - but only after I also clicked on a specific version.

you got it, look now

> I think the best UI/UX for this is something like django's [0], where "documentation" brings you straight to the latest version's documentation.

the design of our main docs index page was taken completely from how Django does it (e.g. how they have "paragraphs of links" at https://docs.djangoproject.com/en/4.1/)